ISSN 2542–0380
Труды Института механики им. Р.Р. Мавлютова
Электронный научный журнал | Electronic Scientific Journal
Proceedings of the Mavlyutov Institute of Mechanics


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Sitdikova L.F., Dmitriev V.L. Mass and heat transfer in the problem of propagation of acoustic waves in a porous medium Proceedings of the Mavlyutov Institute of Mechanics. 9 (2012) 1. 139–141.
2012. Vol. 9. Issue 1, Pp. 139–141
URL: http://proc.uimech.org/uim2012.1.027
DOI: 10.21662/uim2012.1.027
Mass and heat transfer in the problem of propagation of acoustic waves in a porous medium
Sitdikova L.F., Dmitriev V.L.
Sterlitamak State Pedagogical Academy. Z. Biysheva, Sterlitamak

Abstract

The paper is devoted to a theoretical investigation of wave processes in moist porous media saturated with gas. Interfacial forces of interaction, heat exchange between the skeleton of a porous medium, liquid and gas, mass transfer between a liquid and a gas; material of the skeleton of a porous medium is considered viscoelastic, the liquid covers the inner surface of the pores of the medium with a thin uniform layer. The propagation of acoustic waves is considered in the two-velocity approximation. A common system is recorded equations and physical relationships describing the propagation of acoustic waves in a wet porous medium. A dispersion relation is obtained. Influence of heat transfer between phases on propagation ”Fast“ and ”slow“ waves is taken into account on the basis of the heat conduction equation.